package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "后台菜品管理")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result addDish(@RequestBody DishDTO dishDTO) {
        log.info("addDish:{}", dishDTO);
        String key="dish_"+dishDTO.getCategoryId();
        dishService.addDishWithFlavors(dishDTO);
        cleanCache(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> queryPage(DishPageQueryDTO dishPageQueryDTO) {
        log.info("queryPage:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.queryPage(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result deleteBatch(@RequestParam List<Long> ids) {
        log.info("deleteBatch:{}", ids);
        dishService.deleteBatch(ids);
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("getById:{}", id);
        DishVO dishVO = dishService.getByIdWithFlavors(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("根据ID修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("update:{}", dishDTO);
        dishService.updateDishWithFlavors(dishDTO);
        return Result.success(dishDTO);
    }

    @PostMapping("/status/{status}")
    @ApiOperation("根据ID修改菜品状态")
    public Result updateStatus(@PathVariable Integer status, Long id) {
        log.info("updateStatus:{},{}", status, id);
        dishService.updateStatus(status, id);
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品列表")
    public Result<List<Dish>> getByCategoryId(Long categoryId) {
        log.info("getByCategoryId:{}", categoryId);
        List<Dish> dishList = dishService.getByCategoryId(categoryId);
        return Result.success(dishList);
    }

    /**
     * 清除缓存
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
